Biology, 06.05.2020 20:13 shyannehamilton1183
Two species of flies, Drosophila melanogaster and Drosophila simulans, can mate. They usually do not mate, however, even if
they are kept together in a laboratory. Males court the females of both species, but the females prefer to mate with males of
their own species. Which isolating mechanism does this describe?
behavioral
temporal
artificial
anatomical
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Biology, 21.06.2019 18:30, mayamabjishovrvq9
Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc
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Biology, 22.06.2019 03:20, ahmedeldyame
Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics
Answers: 3
Biology, 22.06.2019 17:30, VamPL
Mr. j, age 42, is a construction worker in las vegas. he recently noticed that a mole on his face seemed to be getting larger and darker. at first he did not worry because he was in the sun a lot and assumed the change may have been caused by sunburn. after a month, not only was the mole larger and darker, but it appeared to be “bumpy.” his doctor diagnosed a malignant melanoma skin cancer following biopsy of the nevus. mr. j reports pain in his right shin that does not go away when he puts his feet up or sleeps. discussion questions 1. relate mr. j’s skin changes to the warning signs for malignant melanoma. (see malignant melanoma.) 2. discuss the normal progression of this malignancy. what is the significance of the bone pain that mr. j is experiencing? (see malignant melanoma.) 3. discuss the treatment available for this patient and the prognosis for recovery. (see malignant melanoma.)
Answers: 3
Two species of flies, Drosophila melanogaster and Drosophila simulans, can mate. They usually do not...
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